<nz-space style="text-align:center">
  <button *nzSpaceItem nz-button nzType="primary"
          (click)="gateway_lb()"
          [nzLoading]="gateway_lb_loading"
          nz-tooltip nzTooltipTitle="gateway lb动态路由转发">
    lb 路由转发
  </button>

  <button *nzSpaceItem nz-button nzType="primary"
          (click)="gateway_http()"
          [nzLoading]="gateway_http_loading"
          nz-tooltip nzTooltipTitle="gateway http静态路由转发">
    http 静态路由转发
  </button>
</nz-space>
